Based on the data provided, we can observe that the coin in question has had a starting price in the current auction of 45 euros and is in a conservation grade of 70 (MBC-). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 71 and 1100 euros.

The average starting price of this coin in previous auctions has been 101.14 euros, while the average closing price has been 212.42 euros. As for the conservation grades of coins auctioned in the past, they have varied between 70 and 95.

Taking into consideration these data, as well as the coin's previous prices and auction history, we could estimate a maximum purchase price for this coin at around 250-300 euros, considering its conservation grade and previous closing prices. It is important to note that the final price may vary depending on factors such as demand in the current auction and competition from other bidders.